$26-$2A/38-42: Floating point product of Multiply and Divide
Used by Jiffy-DOS: ALLFLAG/RSIZE ($26)
Used by Jiffy-DOS: COMSAV ($27)
Used only from Basic for Jiffy-DOS wedge comands, device
toggle and function keys.
Kernal-Reference:
LDA $26 : $BA77 $BB8F
ROR $26 : $BA7D
STA $26 : $BA35 $BA7B
LDA $27 : $BA71 $BB93
ROR $27 : $BA7F
STA $27 : $BA37 $BA75
ADC $28 : $B36F
LDA $28 : $BA6B $BB97
ROR $28 : $BA81
STA $28 : $B350 $BA39 $BA6F
STX $28 : $B337
ADC $29 : $B373
LDA $29 : $BA65 $BB9B
ROR $29 : $BA83
STA $29 : $B355 $BA3B $BA69
$29,X : $BB44
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